/*
 * Copyright 2006-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.cesce.batch.cobros.items;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;

import org.springframework.batch.item.ExecutionContext;
import org.springframework.batch.item.ItemStream;
import org.springframework.batch.item.ItemStreamException;
import org.springframework.batch.item.ItemWriter;
import org.springframework.batch.item.file.FlatFileItemWriter;


import com.cesce.batch.cobros.reverse.Cobcomunicados;
import com.cesce.batch.cobros.reverse.Cobestados;
import com.cesce.batch.cobros.reverse.Cobregistro;


public class ComunicadosHostWriter implements ItemWriter<Cobcomunicados>, ItemStream {

	private FlatFileItemWriter<Object> delegate;

	
	private BigDecimal lastIdRegistro=null;
	private BigDecimal lastIdRegistroBaja=null;
	
	public void write(List<? extends Cobcomunicados> items) throws Exception {
		
		List<Cobcomunicados> comunicados=new ArrayList<Cobcomunicados>();
		
		for(Cobcomunicados com: items) {
			
			Cobregistro reg = com.getIdregistro();
			
			if(lastIdRegistroBaja!=null && lastIdRegistroBaja==reg.getIdregistro()) continue;
			
			if(lastIdRegistro==null || lastIdRegistro!=reg.getIdregistro()) {
				if(comunicados.size()>0) this.delegate.write(comunicados);
				List<Cobregistro> l = new ArrayList<Cobregistro>();
				l.add(reg);
				this.delegate.write(l);
				if(reg.getIdestado().getIdestado()==Cobestados.ID_BAJA_PDTE_COMUNICA_HOST) {
					lastIdRegistroBaja=reg.getIdregistro();
					continue;
				}
				comunicados=new ArrayList<Cobcomunicados>();
			} 
			comunicados.add(com);
			lastIdRegistro=reg.getIdregistro();
		}
		this.delegate.write(comunicados);
	}

	public void setDelegate(FlatFileItemWriter<Object> delegate) {
		this.delegate = delegate;
	}

	public void close() throws ItemStreamException {
		this.delegate.close();
	}

	public void open(ExecutionContext executionContext) throws ItemStreamException {
		this.delegate.open(executionContext);
	}
	
	public void update(ExecutionContext executionContext) throws ItemStreamException {
		this.delegate.update(executionContext);
	}



}
